US3139951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support stand
Assignee: Individual
•
Filing: 1961-12-04
•
Granted: 1964-07-07
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Clayton William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:07
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/34; A; A47; A47B; A47B91/00; A47B91/02; B; B25; B25H; B25H1/00; B25H1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SUPPORT STAND UNIT FOR USE IN THE FABRICATION OF SCAFFOLD, TRESTLES, SAWHORSES AND THE LIKE FROM STRUCTURAL MATERIALS COMPRISING LOCKING JAW MEMBERS, LEG ELEMENTS SECURED TO SAID LOCKING JAW MEMBERS FOR THE SUPPORT OF SAID LOCKING JAWS IN ELEVATED POSITIONS, PIVOT MEANS SECURING SEPARATE LEG ELEMENTS AND JAW MEMBER ELEMENTS PIVOTALLY TOGETHER WHEREBY OUTWARD MOVEMENT OF SAID LEG ELEMENTS CAUSES A CORRESPONDING INWARD GRIPPING PRESSURE TO BE EXERTED BY SAID LOCKING JAW MEMBERS, AND A LEAF SPRING MEMBER OF INWARDLY CONCAVE CURVATURE DISPOSED ON THE INNER FACE OF SAID LOCKING JAWS WITH THE
Claim 2
Dependent Claim
94 words
A SUPPORT STAND UNIT FOR USE IN THE FABRICATION OF SCAFFOLD, TRESTLES, SAWHORSES AND THE LIKE FROM STRUCTURAL MATERIALS COMPRISING LOCKING JAW MEMBERS, LEG ELEMENTS SECURED TO SAID LOCKING JAW MEMBERS FOR THE SUPPORT OF SAID LOCKING JAWS IN ELEVATED POSITIONS, PIVOT MEANS SECURING SEPARATE LEG ELEMENTS AND JAW MEMBER ELEMENTS PIVOTALLY TOGETHER WHEREBY OUTWARD MOVEMENT OF SAID LEG ELEMENTS CAUSES A CORRESPONDING INWARD GRIPPING PRESSURE TO BE EXERTED BY SAID LOCKING JAW MEMBERS, AND A LEAF SPRING MEMBER OF INWARDLY CONCAVE CURVATURE DISPOSED ON THE INNER FACE OF SAID LOCKING JAWS WITH THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |